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tint: Add bgra8unorm storage texture support

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Polyfill this for the SPIR-V, HLSL and GLSL backends by replacing bgra8unorm with rgba8unorm, and swizzling.

Bug: tint:1804
Change-Id: I36638202840d7313001dff6c5b60dcb948988c34
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/117204
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
This commit is contained in:
Ben Clayton
2023-01-18 19:42:03 +00:00
committed by Dawn LUCI CQ
parent e2be18a7fd
commit d03dceebf3
240 changed files with 9683 additions and 249 deletions
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3
src/tint/resolver/intrinsic_table.inl
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@@ -2378,6 +2378,7 @@ class F32TexelFormat : public NumberMatcher {
Number F32TexelFormat::Match(MatchState&, Number number) const {
switch (static_cast<TexelFormat>(number.Value())) {
case TexelFormat::kBgra8Unorm:
case TexelFormat::kRgba8Unorm:
case TexelFormat::kRgba8Snorm:
case TexelFormat::kRgba16Float:
@@ -2391,7 +2392,7 @@ Number F32TexelFormat::Match(MatchState&, Number number) const {
}
std::string F32TexelFormat::String(MatchState*) const {
return "rgba8unorm, rgba8snorm, rgba16float, r32float, rg32float or rgba32float";
return "bgra8unorm, rgba8unorm, rgba8snorm, rgba16float, r32float, rg32float or rgba32float";
}
/// EnumMatcher for 'match i32_texel_format'

3
src/tint/resolver/type_validation_test.cc
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@@ -1126,7 +1126,8 @@ struct FormatParams {
bool is_valid;
};
static constexpr FormatParams format_cases[] = {FormatParams{ast::TexelFormat::kR32Float, true},
static constexpr FormatParams format_cases[] = {FormatParams{ast::TexelFormat::kBgra8Unorm, true},
FormatParams{ast::TexelFormat::kR32Float, true},
FormatParams{ast::TexelFormat::kR32Sint, true},
FormatParams{ast::TexelFormat::kR32Uint, true},
FormatParams{ast::TexelFormat::kRg32Float, true},

1
src/tint/resolver/validator.cc
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@@ -98,6 +98,7 @@ bool IsValidStorageTextureDimension(ast::TextureDimension dim) {
bool IsValidStorageTextureTexelFormat(ast::TexelFormat format) {
switch (format) {
case ast::TexelFormat::kBgra8Unorm:
case ast::TexelFormat::kR32Uint:
case ast::TexelFormat::kR32Sint:
case ast::TexelFormat::kR32Float: